39972219

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 29700741

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 71, 83, 119, 133, 213, 249, 323, 357, 399, 497, 581, 969, 1207, 1349, 1411, 1491, 1577, 1743, 2261, 3621, 4047, 4233, 4731, 5893, 6783, 8449, 9443, 9877, 11039, 17679, 22933, 25347, 26809, 28329, 29631, 33117, 41251, 68799, 80427, 100181, 111967, 123753, 160531, 187663, 300543, 335901, 481593, 562989, 701267, 783769, 1903439, 2103801, 2351307, 5710317, 13324073, 39972219]

約数ペア:

[(1, 39972219), (3, 13324073), (7, 5710317), (17, 2351307), (19, 2103801), (21, 1903439), (51, 783769), (57, 701267), (71, 562989), (83, 481593), (119, 335901), (133, 300543), (213, 187663), (249, 160531), (323, 123753), (357, 111967), (399, 100181), (497, 80427), (581, 68799), (969, 41251), (1207, 33117), (1349, 29631), (1411, 28329), (1491, 26809), (1577, 25347), (1743, 22933), (2261, 17679), (3621, 11039), (4047, 9877), (4233, 9443), (4731, 8449), (5893, 6783)]